Bear, Firman E.  1884-1967. <br/><br/>
Diagnostic techniques for soils and crops,  their value and use in estimating the fertility status of soils and nutritional requirements of crops. 
Prepared by Firman E. Bear [and others]  Ed. by Hermine Broedel Kitchen. 
 - Washington,  American Potash Institute  [1948] 
 - xxiii, 308 p.  illus. (part col.)  26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>agr48000538  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Analysis.<br/>Soil fertility<br/>Soils--Testing.<br/>Soil fertilizer requirements<br/>Plants--Nutrition.<br/>Deficiency diseases in plants<br/>Agricultural chemistry.
<br/><br/><label>LC Class. No.: </label>S593  / .B4 
<br/><br/><label>Dewey Class. No.: </label>631.42